Bactericidal cleaning wipe

Abstract

An improved cleaning composition loaded on a cleaning wipe having improved biocidal release from the cleaning wipe. The improved cleaning composition includes a cationic biocide and a biocide release agent.

We claim:  
     
         1 . An improved cleaning composition comprising a cationic biocide, a cationic biocide release agent and water, said cationic biocide release agent having an ionic strength in said improved cleaning composition of at least about 5×10 −3  mol/l.  
     
     
         2 . The improved cleaning composition as defined in  claim 1 , wherein said cationic biocide release agent has an ionic strength in said improved cleaning composition of at least about 5×10 −3  mol/l to about 18 mol/l.  
     
     
         3 . The improved cleaning composition as defined in  claim 2 , wherein said cationic biocide release agent has an ionic strength in said improved cleaning composition of at least about 1×10 −2  mol/l to about 5 mol/l.  
     
     
         4 . The improved cleaning composition as defined in  claim 1 , wherein said cationic biocide includes a biocide selected from the group consisting of quaternary ammonium compound, biguanide compound, and mixtures thereof.  
     
     
         5 . The improved cleaning composition as defined in  claim 2 , wherein said cationic biocide includes a biocide selected from the group consisting of quaternary ammonium compound, biguanide compound, and mixtures thereof.  
     
     
         6 . The improved cleaning composition as defined in  claim 1 , wherein said cationic biocide release agent includes a salt selected from the group consisting of acetates, acetylides, ammonium salts, arsenates, astatides, azides, bihalide salts, bicarbonates, bisulfides, borides, borohydrides, borohalides, carconates, citrates, cyanates, cyanides, formates, germanates, glycinates, halates, halides, hydrides, hydroselenides, hydrosulphides, hydroxides, imides, metaniobates, metaantalates, metavanadates, nitrates, nitrides, nitrites, oxides, perchlorates, phosphates, phosphonium salts, selenides, selenites, selenates, sulphides, sulphates, ternary salts, tetraalkyl ammonium salts (excluding quats), tellurides, thiocyanates, vanadates, and mixtures thereof.  
     
     
         7 . The improved cleaning composition as defined in  claim 5 , wherein said cationic biocide release agent includes a salt selected from the group consisting of acetates, acetylides, ammonium salts, arsenates, astatides, azides, bihalide salts, bicarbonates, bisulfides, borides, borohydrides, borohalides, carconates, citrates, cyanates, cyanides, formates, germanates, glycinates, halates, halides, hydrides, hydroselenides, hydrosulphides, hydroxides, imides, metaniobates, metaantalates, metavanadates, nitrates, nitrides, nitrites, oxides, perchlorates, phosphates, phosphonium salts, selenides, selenites, selenates, sulphides, sulphates, ternary salts, tetraalkyl ammonium salts (excluding quats), tellurides, thiocyanates, vanadates, and mixtures thereof.  
     
     
         8 . The improved cleaning composition as defined in  claim 6 , wherein said cationic biocide release agent includes a salt selected from the group consisting of potassium citrate, sodium citrate, magnesium sulphate, sodium chloride, ammonium chloride, potassium chloride, mixtures thereof.  
     
     
         9 . The improved cleaning composition as defined in  claim 1 , including at least an effective amount of surfactant.  
     
     
         10 . The improved cleaning composition as defined in  claim 8 , including at least an effective amount of surfactant.  
     
     
         11 . The improved cleaning composition as defined in  claim 1 , including at least an effective amount of solvent.  
     
     
         12 . The improved cleaning composition as defined in  claim 10 , including at least an effective amount of solvent.  
     
     
         13 . The improved cleaning composition as defined in  claim 11 , wherein said solvent includes a compound selected from the group consisting of methanol, ethanol, n-propanol, isopropanol, various positional isomers of butanol, pentanol, hexanol, glycol ether, acetone, PnB, DPNB, Hexyl Cellosolve, and mixtures thereof.  
     
     
         14 . The improved cleaning composition as defined in  claim 12 , wherein said solvent includes a compound selected from the group consisting of methanol, ethanol, n-propanol, isopropanol, various positional isomers of butanol, pentanol, hexanol, glycol ether, acetone, PnB, DPnB, Hexyl Cellosolve, and mixtures thereof.  
     
     
         15 . The improved cleaning composition as defined in  claim 1 , including at least an effective amount of builder detergent.  
     
     
         16 . The improved cleaning composition as defined in  claim 14 , including at least an effective amount of builder detergent.  
     
     
         17 . The improved cleaning composition as defined in  claim 15 , wherein said builder detergent includes a compound selected from the group consisting of sodium EDTA, disodium EDTA, potassium EDTA, dipotassium EDTA, and mixtures thereof.  
     
     
         18 . The improved cleaning composition as defined in  claim 16 , wherein said builder detergent includes a compound selected from the group consisting of sodium EDTA, disodium EDTA, potassium EDTA, dipotassium EDTA, and mixtures thereof.  
     
     
         19 . A cleaning wipe having reduced biocide retention comprising: 
 a. a wipe having at least one layer of absorbent or adsorbent material, said wipe including a material selected from the group consisting of wood pulp, wood pulp derivative, and mixtures thereof; and    b. an improved cleaning composition impregnated on said wipe, said improved cleaning composition including a cationic biocide, a cationic biocide release agent and water, said cationic biocide release agent having an ionic strength in said improved cleaning composition of at least about 5×10 −3  mol/l.    
     
     
         20 . A method for cleaning a surface with a cleaning wipe comprising: 
 a. providing a cleaning wipe having at least one layer of absorbent or adsorbent material;    b. impregnating said cleaning wipe with an improved cleaning composition, said improved cleaning composition including a cationic biocide, a cationic biocide release agent and water, said cationic biocide release agent having an ionic strength in said improved cleaning composition of at least about 5×10 −3  mol/l; and    c. contacting said surface with the cleaning wipe to at least partially disinfect, sanitize, or sterilize said surface, said cleaning wipe including a material selected from the group consisting of wood pulp, wood pulp derivative, and mixtures thereof.    
     
     
         21 . A dispenser for cleaning wipes comprising a container containing at least one cleaning wipe, said cleaning wipe including a wipe impregnated with an improved cleaning composition, said wipe having at least one layer of absorbent or adsorbent material, said wipe including a material selected from the group consisting of wood pulp, wood pulp derivative and mixtures thereof, said improved cleaning composition including a cationic biocide, a cationic biocide release agent and water, said cationic biocide release agent having an ionic strength in said improved cleaning composition of at least about 5×10 −3  mol/l.  
     
     
         22 . A cleaning wipe having reduced biocide retention comprising: 
 a. a wipe having at least one layer of absorbent or adsorbent material, said wipe including a material selected from the group consisting of wood pulp, wood pulp derivative, and mixtures thereof; and    b. an improved cleaning composition impregnated on said wipe, said improved cleaning composition including a cationic biocide, solvent, and water, said cationic biocide including a biocide selected from the group consisting of at least one biguanide compound, at least one quat, and mixtures thereof.    
     
     
         23 . The cleaning wipe as defined in  claim 22 , including a cationic biocide release agent, said cationic biocide release agent having an ionic strength in said improved cleaning composition of at least about 5×10 −3  mol/l.